//
//     ____    _                        __     _      _____
//    / ___\  /_\     /\/\    /\ /\    /__\   /_\     \_   \
//    \ \    //_\\   /    \  / / \ \  / \//  //_\\     / /\/
//  /\_\ \  /  _  \ / /\/\ \ \ \_/ / / _  \ /  _  \ /\/ /_
//  \____/  \_/ \_/ \/    \/  \___/  \/ \_/ \_/ \_/ \____/
//
//	Copyright Samurai development team and other contributors
//
//	http://www.samurai-framework.com
//
//	Permission is hereby granted, free of charge, to any person obtaining a copy
//	of this software and associated documentation files (the "Software"), to deal
//	in the Software without restriction, including without limitation the rights
//	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//	copies of the Software, and to permit persons to whom the Software is
//	furnished to do so, subject to the following conditions:
//
//	The above copyright notice and this permission notice shall be included in
//	all copies or substantial portions of the Software.
//
//	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
//	THE SOFTWARE.
//

#import "Samurai_CSSValue.h"

#import "Samurai_CSSParser.h"
#import "Samurai_CSSColor.h"
#import "Samurai_CSSFunction.h"
#import "Samurai_CSSString.h"
#import "Samurai_CSSUri.h"
#import "Samurai_CSSNumber.h"

#import "Samurai_CSSObject.h"
#import "Samurai_CSSObjectCache.h"

#import "_pragma_push.h"

#if (TARGET_OS_IPHONE || TARGET_IPHONE_SIMULATOR)

// ----------------------------------
// Source code
// ----------------------------------

#pragma mark -

@implementation SamuraiCSSValue

+ (instancetype)parseValue:(KatanaValue *)value
{
	if ( NULL == value )
		return nil;
	
	static dispatch_once_t	once;
	static NSArray *		classes;
	
	dispatch_once( &once, ^
	{
		classes = [NSArray arrayWithObjects:
					[SamuraiCSSUri class],
					[SamuraiCSSColor class],
					[SamuraiCSSFunction class],
					[SamuraiCSSNumber class],
					[SamuraiCSSString class],
					nil];
	});
	
	SamuraiCSSValue * result = nil;
	
	for ( Class valueClass in classes )
	{
		result = [valueClass parseValue:value];
		
		if ( result )
			break;
	}
	
	if ( nil == result )
	{
		result = [SamuraiCSSString string:[NSString stringWithUTF8String:value->raw]];
	}
	
	return result;
}

+ (instancetype)parseString:(NSString *)string
{
	if ( nil == string || 0 == [string length] )
		return nil;

	SamuraiCSSValue * result = [[SamuraiCSSObjectCache sharedInstance].cache objectForKey:string];
	
	if ( nil == result )
	{
		KatanaOutput * output = [[SamuraiCSSParser sharedInstance] parseValue:string];
		if ( output )
		{
			result = [self parseValue:output->values->data[0]];
			katana_destroy_output( output );
		}

		if ( result )
		{
			[[SamuraiCSSObjectCache sharedInstance].cache setObject:result forKey:string];
		}
	}
	
	return result;
}

@end

// ----------------------------------
// Unit test
// ----------------------------------

#pragma mark -

#if __SAMURAI_TESTING__

TEST_CASE( WebCore, CSSValue )

DESCRIBE( before )
{
}

DESCRIBE( after )
{
}

TEST_CASE_END

#endif	// #if __SAMURAI_TESTING__

#endif	// #if (TARGET_OS_IPHONE || TARGET_IPHONE_SIMULATOR)

#import "_pragma_pop.h"
